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The need for EBW as a critical fabrication process in realising elements and assemblies for spacecraft and launch vehicle programmes due to the following unique requirements.
Titanium forgings have been joined by EBW t o form a rot or hub of 3000 mm in diameter for a new helicopter. The Ti - 6 AI - 4 V alloy parts of 55 mm and 255 mm thick are EB welded in one pass and joined in the areas of the hub. The hub and blade of the helicopter were formed by EBW since hub and blades could not be forged in one piece. EB welding is being extensively used to join Inconel 718 components together on the engines for the space shuttle.
Derivation of formula of thermal stress
Q. Why we use Nickel Alloys in welding? Nickel weld metals have high creep-rupture strength but often have lower stress-rupture ductility and lower mechanical and thermal fatig
IMPO R T AN T TERMS: Fi r e Box: Place where fuel is burnt. Grat e : The fuel is burnt on this. Baffles : Plates are used for directing the flow of flue gass
In a steam jet refrigeration system, the ejector extracts 3.3 m3/s of saturated water vapor at a temperature of 7.2 °C from the flash chamber. The return water from the cooling coi
Which conducts heat faster steel copper or brass? Ans) Copper conducts heat faster than steel or brass. Any material that is good for conducting heat is also good for electricit
calculate stress intensity factor
Q. Application of cold service insulation? Cold insulation shall be installed specifically in accordance with the Manufacturer's recommendations, and generally as outlined belo
Explain concept of Tapping of radial drilling machine Tapping:- Tapping is the method by which internal threads are produced. It is performed either by hand or by machine.
First law of thermodynamics applied to flow process
ladder slip: A uniform ladder having length of 7m rests against vertical wall with which it makes an angle of 45º, coefficient of friction between ladder and wall is 0.4 and
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